As a kind of material with dry friction damping characteristics , metal rubber is used in many fields 摘要金属橡胶作为一种干摩擦阻尼材料,其阻尼特性在很多领域得到了应用。
The mechanism of vibration reduction and support characteristics are analyzed and a friction damper is designed 分析了该支承的减振机理和支承特性,设计了摩擦阻尼器,研究了其对转子系统不平衡响应的影响。
To reduce the excessive vibration of a high - speed rotor system at the critical speed , a friction damper with a flexible support structure is introduced 摘要为了抑制高速滚动轴承转子系统在通过临界转速时的过大振动,本文采用了摩擦阻尼弹性支承结构。
For the use of vibration protection , hysteresis loop is often applied to descript and calculate the parameters of dry friction damping characteristics of metal rubber 在振动防护领域,通常用金属橡胶阻尼元件的迟滞回线来描述金属橡胶的干摩擦阻尼特性。
Based on the structural feature of long blade with friction damper , pretwist beam element and space straight beam element were adopted to discrete the blade , and the numerical model of damper link element was established , then the gross finite element motion equation of the blade was obtained 针对带摩擦阻尼器长叶片的结构特点,采用扭曲梁与空间直梁单元模化叶片,推导叶片阻尼连接单元的力学模型,由此建立叶片总的动力特性分析方程。
Firstly , the dynamical performance of friction damper ( frd ) and viscoelactic damper ( ved ) is tested in this paper . the work , which gets the rules that the two dampers " hysteretic curve and performance - parameters change follows the changing of excitement , lays the foundation for designing new kind of edd 论文首先进行了摩擦阻尼器和粘弹性阻尼器的动力性能试验,获得了两种阻尼器的滞回曲线和性能参数随激励性质变化的规律,为进一步开发新型的耗能阻尼器提供了基础。
Special - shaped column frame , its seismic behavior is studied and a new dissipating - seismic - energy structure , r . c . special - shaped column frame with viscoelastic friction damper ( f - ved ) is proposed and studied . a three - dimension solid element model is established for a special - shaped column frame to study its seismic behavior and time history responses under earthquake , some conclusion is drawn about its characteristics of force and displacement under horizontal earthquake action 为了进一步推广和扩大异型柱框架结构的应用范围,本文对异型柱框架结构在水平地震作用下的受力特点和抗震性能进行了研究,并提出在异型柱框架中设置粘弹性?摩擦阻尼器( viscoelastic - frictiondamper ,简称f - ved ) ,对其进行了水平地震作用下的减震控制研究。
( 3 ) the sma incorporated friction damper is applied to long - span canopy roof structures to investigate its vibration control performance . the control effectiveness is analyzed with inputting three - dimensional el - centro earthquake waves in small , medium and large seismic intensity . the results show that control performance of the sma incorporated friction damper is superior to that of both the friction damper and the sma damper 通过输入三向el - centro地震波,分别研究了结构在小震、中震和大震情况下的减振性能,并与结构在纯摩擦阻尼器、仅sma阻尼器的控制效果进行了对比分析,表明sma复合摩擦阻尼器具有卓越的耗能减振性能。